H. Valås

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Learned Helplessness and Psychological Adjustment: Effects of age, gender and academic achievement

Harald Valås, H. Valås, Harald Valås, 2001 .

Peer relations, loneliness, and self-perceptions in school-aged children.

E. Skaalvik, H. Valås, O. Sletta, 1996, The British journal of educational psychology.

Learned Helplessness and Psychological Adjustment II: Effects of learning disabilities and low achievement

H. Valås, 2001 .

Variables Affecting Students' Intrinsic Motivation for School Mathematics: Two Empirical Studies Based on Deci and Ryan's Theory on Motivation.

Nils Søvik, Harald Valås, H. Valås, 1994 .

Students With Learning Disabilities and Low-Achieving Students: Peer Acceptance, Loneliness, Self-Esteem, and Depression

H. Valås, Harald Valås, 1999 .

A social skills intervention programme for kindergarten children at risk of developing behavioural problems

Ragnar Thygesen, H. Valås, A. Flem, 1998 .

Relations Among Achievement, Self-Concept, and Motivation in Mathematics and Language Arts: A Longitudinal Study

E. Skaalvik, Einar M. Skaalvik, Harald Valås, 1999 .

Context Effects in Norwegian 10th‐Grade Students' Reports on Learning Strategies using the Cross‐Curricular Competencies Instrument

Marit S. Samuelstuen, Ivar Bråten, H. Valås, 2007 .

Humour, peer acceptance and perceived social competence in preschool and school‐aged children

Olav Sletta, Frode Søbstad, Harald Valås, 1995 .